// 设置响应头的中间件
module.exports = async (ctx, next) => {
	const contentType = "application/json; charset=utf-8";
	ctx.set("Content-Type", contentType);
	ctx.set("Access-Control-Allow-Origin", "*");
	ctx.set(
		"Access-Control-Allow-Headers",
		"Content-Type, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild"
	);
	ctx.set("Access-Control-Allow-Methods", "OPTIONS, GET, PUT, POST, DELETE");
	await next();
};
